// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_BASE_CURSOR_IMAGE_CURSORS_H_
#define UI_BASE_CURSOR_IMAGE_CURSORS_H_

#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string16.h"
#include "ui/base/cursor/cursor.h"
#include "ui/base/ui_base_export.h"
#include "ui/gfx/display.h"
#include "ui/gfx/native_widget_types.h"

namespace ui {

class CursorLoader;

// A utility class that provides cursors for NativeCursors for which we have
// image resources.
class UI_BASE_EXPORT ImageCursors {
public:
    ImageCursors();
    ~ImageCursors();

    // Returns the scale and rotation of the currently loaded cursor.
    float GetScale() const;
    gfx::Display::Rotation GetRotation() const;

    // Sets the display the cursors are loaded for. |scale_factor| determines the
    // size of the image to load. Returns true if the cursor image is reloaded.
    bool SetDisplay(const gfx::Display& display, float scale_factor);

    // Sets the type of the mouse cursor icon.
    void SetCursorSet(CursorSetType cursor_set);

    // Sets the platform cursor based on the native type of |cursor|.
    void SetPlatformCursor(gfx::NativeCursor* cursor);

private:
    // Reloads the all loaded cursors in the cursor loader.
    void ReloadCursors();

    scoped_ptr<CursorLoader> cursor_loader_;
    CursorSetType cursor_set_;

    DISALLOW_COPY_AND_ASSIGN(ImageCursors);
};

} // namespace ui

#endif // UI_BASE_CURSOR_IMAGE_CURSORS_H_
